Start The Week

The theoretical physicist Carlo Rovelli celebrates the life of an ancient Greek philosopher, in Anaximander And The Nature Of Science (translated by Marion Lignana Rosenberg). He tells Adam Rutherford that this little known figure spearheaded the first great scientific revolution and understood that progress is made by the endless search for knowledge. Anaximander challenged conventions by proposing that the Earth floats in space, animals evolve and storms are natural, not supernatural. The travel writer Kapka Kassabova has gone searching for ancient knowledge about the natural world in her latest book, Elixir: In the Valley at the End of Time. The Mesta River, in her native Bulgaria, is one of the oldest inhabited rivers in Europe, and a mecca for wild plant gatherers, healers and mystics. In Dvořák’s lyric opera the eponymous hero Rusalka is a water spirit who sacrifices her voice and leaves her home for the love of a Prince. In a new contemporary staging at the Royal Opera House (21 February–7 March 202